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Ne4ueva [31]
3 years ago
8

The totals of the rows and colums of a two way table are called marginal distributions. true or fasle​

Mathematics
1 answer:
Furkat [3]3 years ago
4 0

Answer:

False

Step-by-step explanation:

The totals of the rows and columns of a two way table are not called marginal distributions. They are called conditional distributions.

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The GCF these monomials <br>1- {10,15,75} <br>2-{20ay,4aw,12a} help pls.....​
kirill115 [55]

{20ay,4aw,12a}

Step-by-step explanation:

1,2,3,4,5,7,8,9,10,11,12,13,14,15,16,17,18,19,20

5 0
3 years ago
Point T is in the interior of \angle∠RSV. The m\anglem∠ RSV = 125^o o and m\anglem∠ RST = 62^o62 o , what is m\anglem∠ TSV?
pshichka [43]
i don’t know honestly. sorry
5 0
2 years ago
Which angle has a positive measure? On a coordinate plane, a ray moves counter-clockwise to form an angle. On a coordinate plane
wlad13 [49]

Answer:

a. coordinate plane, counter-clockwise YES

                          OR

b. coordinate plane, clockwise NO

Step-by-step explanation:

The measure of an angle formed by a counterclockwise rotation is indicated by a positive number. The measure of an angle formed by a clockwise rotation is indicated by a negative number.

Download pdf
7 0
3 years ago
Suppose that the time (in hours) required to repair a machine is an exponentially distributed random variable with parameter λ=0
Pepsi [2]

Answer:

The probability that a repair time exceeds 8 hours is P(X>8)\approx 0.000746586

The conditional probability that a repair takes at least 13 hours, given that it takes more than 9 hours is  P(X\geq 13 | X>9)\approx 0.0273237376

Step-by-step explanation:

A continuous random variable X is said to have an exponential distribution with parameter \lambda > 0 shown as X \sim Exponential(\lambda), if its probability density function is given by

f_X(x)=\begin{cases}\lambda e^{-\lambda x} & x > 0\\ 0 &\text{otherwise}\end{cases}

Let X denote the time require to repair a machine.

(a) The probability that a repair time exceeds 8 hours;

P(X>8)=1-P(X\leq 8)\\P(X>8)=1-\int\limits^8_0 {0.9e^{-0.9x}} \, dx \\P(X>8)=1-0.999253\\P(X>8)\approx 0.000746586

(b) The conditional probability that a repair takes at least 13 hours, given that it takes more than 9 hours;

We want to find P(X\geq 13 | X>9).

P(X\geq 13 | X>9)=\frac{P(X\geq 13)}{P(X>9)} \\\\P(X\geq 13 | X>9)=\frac{\int\limits^{\infty}_{13} {0.9e^{-0.9x}} \, dx}{\int\limits^{\infty}_{9} {0.9e^{-0.9x}} \, dx}\\ \\P(X\geq 13 | X>9)=\frac{8.29382\times10^{-6}}{0.000303539} \\\\P(X\geq 13 | X>9)\approx 0.0273237376

8 0
3 years ago
Based on the graphic, which three-dimensional figure has the greatest volume?
dedylja [7]

Answer:c) they have the same volume

Step-by-step explanation: same height equals same volume

5 0
3 years ago
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